About Join
Join is a Media & Entertainment company based in Haarlem (Netherlands) founded in 2017, and was acquired by Stellar in September 2025. Creator marketing software is provided for brands and influencers. It operates on a SaaS (Software-as-a-Service) and Two-Sided Marketplace model in Media & Entertainment and Technology sectors. Join has raised $1.18 million across 1 funding round from investors including Stellar and Airbridge Equity Partners. Join offers products and services including Influencer Discovery, Campaign Management, and Reports. Its focus areas include Software and Marketing Software.
Company details
A leading creator marketing platform in Europe is operated by Join, connecting brands, influencers, agencies, and talent managers. Solutions for influencer discovery, campaign management, and performance reporting are offered. The platform supports over 30,000 vetted creators and provides access to 2.1 million influencers across Instagram, TikTok, and YouTube. End-to-end campaign control, from finding creators to measuring success, is facilitated. The technology sector, specifically marketing software, is primarily served with a focus on ease of use and centralized communication.
- Headquarters Haarlem, Netherlands
- Stage Acquired
- SectorsMedia & EntertainmentTechnology
- Website category Business and Consumer Services · Marketing and Advertising
- Email••••••••
- Phone•••• ••••
- Website join.marketing
- Social LinkedIn X
- Acquired by Stellar (Sep 2025)
Products & Services of Join
Join offers a comprehensive portfolio of products and services, including Influencer Discovery, Campaign Management, and Reports.
Relevant influencers are found using smart AI tools.
Campaigns are organized efficiently with streamlined creator communication.
Campaign performance is evaluated through real-time detailed insights.
Funding Insights of Join
Join has successfully raised a total of $1.18M through 1 strategic funding round. The most recent funding activity was a Series A round of $1.18 million completed in December 2017. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $1.18M
- Total Rounds 1
- Last Round Series A — $1.18M
- First Round $1.18M
(Dec 2017)
- Investors Count 1
All 1 funding rounds of Join with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Dec 2017 | $1.18M | Series A | – | – |
2 investors in total: 2 institutional.
Investors in Join
Join has secured backing from 2 investors, including venture fund investors. Prominent investors backing the company include Stellar and Airbridge Equity Partners.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
| airbridge.nl | ||||
Influencer data is collected from social media to build profiles. | 2015 | stellar.io | Brussels, Belgium |
Investor details for Join
The complete investor list, round-by-round participation and investor portfolios require an active premium plan.
- Complete investor list
- Round participation
- Investor portfolios
- Co-investor network
Verified entity values are shown only after access is granted.
People of Join
1 people are tracked at Join (1 in leadership).
| Name | Role | Group |
|---|---|---|
Paolo Martorino | CEO & Co-Founder | Leadership |
Complete people profiles for Join
Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.
- Full employee list
- Team structure
- Board tenure
- Professional contacts
Verified entity values are shown only after access is granted.
Timeline of Join
3 dated milestones of Join across 8 years, from founding to its latest funding, stage changes and deals.
- Founded Join is founded.
- Funding First funding round of $1.2M.
- Exit Acquired by Stellar.
Web traffic of Join
The website of Join (join.marketing) receives about 7.4K visits a month and ranks #2,015,488 among all websites worldwide, #8,908 in Marketing and Advertising.
- Monthly visits7.4K
▼ 22.2% vs previous month
- Unique visitors3.3K
per month
- Global rank#2,015,488
among all websites
- Category rank#8,908
Business and Consumer Services · Marketing and Advertising
- Bounce rate41%
- Pages per visit2.7
- Average visit43 sec
- DevicesDesktop 37% · Mobile 63%
Websites whose visitors overlap most with Join. Affinity shows how closely the audiences match.
| Website | Domain | Audience affinity | Monthly visits | Global rank | Profile |
|---|---|---|---|---|---|
| traackr.com | 100% | 68.4K | #383,774 | View details | |
| brandambassadors.nl | 97% | 680.7K | #9,039,591 | View details | |
| kolsquare.com | 89% | 176.1K | #254,803 | View details | |
| tribegroup.co | 88% | 94.9K | #426,897 | View details | |
| popularpays.com | 84% | 112.1K | #334,659 | View details | |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
All 25 similar websites and full traffic analytics for Join
The complete similar-websites list, audience overlap and engagement analytics require an active premium plan.
- 25 similar websites
- Audience overlap
- Engagement analytics
- Traffic by brand
Verified entity values are shown only after access is granted.
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Related news about Join
Complete news archive for Join
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Frequently Asked Questions about Join
Join was founded in 2017.
Join is headquartered in Haarlem, Netherlands. It is registered at Haarlem, Noord-holland, Netherlands.
Join is a funded company, having raised a total of $1.18M across 1 funding round to date. The company's 1st funding round was a Series A of $1.18M, raised on Dec 2017.
A leading creator marketing platform in Europe is operated by Join, connecting brands, influencers, agencies, and talent managers. Solutions for influencer discovery, campaign management, and performance reporting are offered. The platform supports over 30,000 vetted creators and provides access to 2.1 million influencers across Instagram, TikTok, and YouTube. End-to-end campaign control, from finding creators to measuring success, is facilitated. The technology sector, specifically marketing software, is primarily served with a focus on ease of use and centralized communication.
Join offers Influencer Discovery, Campaign Management, and Reports.
Join has 2 investors. Key investors include Stellar, and Airbridge Equity Partners.
Yes. Join was acquired by Stellar in September 2025.